A．fter circling around the earth for three days, Shenzhou Spaceship received the command from the ground that _____（它着陆）as scheduled the next day. (land)

[单选题]The earth moves [around]the sun.A.beforeB. roundC. afterD. over

[单选题]A satellite [orbiting]around the earth was launched yesterday.A.circlingB.c

[单选题]The Moon and mostartificial satellites travel around the Earth in elliptica

[单选题]The world has gotrainforests which cover 7% of the earth's surface.They gro

[单选题]The world has gotrainforests which cover 7% of the earth's surface.They gro

[单选题]The world has gotrainforests which cover 7% of the earth's surface.They gro

[单选题]The world has gotrainforests which cover 7% of the earth's surface.They gro

[单选题]The world has gotrainforests which cover 7% of the earth's surface.They gro

[单选题]During a recent OSPF election among three routers, RTA was elected the DR and RTB was elected the BDR, as seen in the graphic. Assume that RTA fails, and that RTB takes the place ofthe DR whi le RTC becomes the new BDR. What will happen when RTA come

[单选题]E．vent___(Serving becomes worse than threshold)：表示服务小区信号质量低于一定门限，满足此条件的事件被上报时，eNodeB启动异频/异系统测量。